import org.bouncycastle.jcajce.provider.digest.SHA3; //导入依赖的package包/类
public static void main(String[] args) throws UnsupportedEncodingException {
	String pass = "Hello我是王小明";
	System.out.println(pass);

	DigestSHA3 sha3256 = new SHA3.Digest256();
	sha3256.update(pass.getBytes("UTF-8"));
	System.out.println(Hex.toHexString(sha3256.digest()));

	Digest sha256 = new SHA256.Digest();
	sha256.update(pass.getBytes("UTF-8"));
	byte[] d = sha256.digest();
	System.out.println(Hex.toHexString(d));
	sha256.reset();
	sha256.update(d);
	System.out.println(Hex.toHexString(sha256.digest()));
	
	sha3256.reset();
	sha3256.update(d);
	System.out.println(Hex.toHexString(sha3256.digest()));
}
 

import org.bouncycastle.jcajce.provider.digest.SHA3; //导入依赖的package包/类
public void testDigest()
    throws Exception
{
    evilNoConstructionTest(GOST3411.class);
    evilNoConstructionTest(MD2.class);
    evilNoConstructionTest(MD4.class);
    evilNoConstructionTest(MD5.class);
    evilNoConstructionTest(RIPEMD128.class);
    evilNoConstructionTest(RIPEMD160.class);
    evilNoConstructionTest(RIPEMD256.class);
    evilNoConstructionTest(RIPEMD320.class);
    evilNoConstructionTest(SHA1.class);
    evilNoConstructionTest(SHA224.class);
    evilNoConstructionTest(SHA256.class);
    evilNoConstructionTest(SHA384.class);
    evilNoConstructionTest(SHA3.class);
    evilNoConstructionTest(SHA512.class);
    evilNoConstructionTest(SM3.class);
    evilNoConstructionTest(Tiger.class);
    evilNoConstructionTest(Whirlpool.class);
}
 

import org.bouncycastle.jcajce.provider.digest.SHA3; //导入依赖的package包/类
/**
 * Applies SHA-3 hash function on the {@code input} string
 *
 * @param input the string to apply to SHA-3 hash on
 * @return the hashed input string
 */
public String sha3(String input) {
    String hash = "";
    try {
        SHA3.DigestSHA3 md = new SHA3.DigestSHA3(256);
        md.update(input.getBytes("UTF-8"));
        hash = Hex.toHexString(md.digest());
    } catch (UnsupportedEncodingException e) {
        logger.error("Error while hashing with SHA-3", e);
    }

    return hash;
}
 

import org.bouncycastle.jcajce.provider.digest.SHA3; //导入依赖的package包/类
/**
 * @deprecated This method results in erratic behavior or deadlock (with large files > 2GB).
 * @param inputStream
 *            indicating the file path
 * @throws IOException
 * @see br.unb.cic.bionimbus.security#computeNativeSHA3(String)
 */
@Deprecated
public static String computeSHA3(final InputStream inputStream) throws IOException {
    final long now = System.currentTimeMillis();
    final byte[] dataBytes = new byte[KEY_SIZE];
    final SHA3.DigestSHA3 digester = new SHA3.DigestSHA3(KEY_SIZE);
    int nread = 0;
    while ((nread = inputStream.read(dataBytes)) != -1) {
        digester.update(dataBytes, 0, nread);
    }
    final byte[] mdbytes = digester.digest();
    LOGGER.info(String.format("HASH time: %d", System.currentTimeMillis() - now));
    // Convert the byte to hex format
    return Hex.encodeHex(mdbytes);
}
 

import org.bouncycastle.jcajce.provider.digest.SHA3; //导入依赖的package包/类
private byte[] setChecksumSHA3(Path path) throws IOException, DigestException, NoSuchAlgorithmException {
    return new SHA3.Digest512().digest(Files.readAllBytes(path));
}
 

import org.bouncycastle.jcajce.provider.digest.SHA3; //导入依赖的package包/类
static String digest(final String input) {
    final SHA3.DigestSHA3 sha3 = new SHA3.Digest256();

    sha3.update(input.getBytes());

    return hashToString(sha3);
}